FYS Study: Epidemiological, Multicentre, Cross-sectional Study in a Clinical Practice Environment, About the Relationship Between Functioning Status and the Quality of Sleep Perceived by Schizophrenic Outpatients in Spain

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The purpose of this study is to establish the relationship between performance of patients with schizophrenia and relationship with perceived quality of sleep. The secondary objectives are: to establish the prevalence of schizophrenic patients reporting sleep disturbances; to assess the potential epidemiological risk factors associated with the perceived impairment of quality of sleep; to establish the relationship between the clinical condition and the quality of sleep perceived; to assess the performance level of patients.

Condition or disease

Intervention/treatment

Phase

Schizophrenia

Other: Functioning assessmentOther: Quality of sleep assessment

Phase 4

Detailed Description:

This is a multicenter, cross-sectional, epidemiological study in the daily clinical practice on the relationship between personal and social functionality and quality of sleep perceived in outpatients with schizophrenia. It is proposed to perform a simple screening for detecting schizophrenic patients reporting sleep disturbances. These patients will be assessed in a single visit and will be administered a number of quality of life and functional assessment scales. N/A

Epidemiological, Multicentre, Cross-sectional Study in a Clinical Practice Environment, About the Relationship Between Functioning Status and the Quality of Sleep Perceived by Schizophrenic Outpatients in Spain

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Ages Eligible for Study:

18 Years and older (Adult, Senior)

Sexes Eligible for Study:

All

Accepts Healthy Volunteers:

No

Sampling Method:

Probability Sample

Study Population

Patients diagnosed with schizophrenia seen in outpatient mental health care facilities distributed all over the country, with and without sleep disturbances at the time of the visit.

Criteria

Inclusion Criteria:

Patient diagnosed of schizophrenia

reporting sleep disturbances at the time of the visit or patient not reporting sleep disturbances at the time of the visit

who are on stable antipsychotic therapy for at least 6 months prior to inclusion in the study

(or guardian/ legal representative) consenting to participate in the study by signing the written informed consent.

Exclusion Criteria:

Patient who, in the investigator's opinion, fails to keep an adequate cognitive ability to continue the study and complete the questionnaires

who has any type of severe sleep disturbances related to disorders of the patient other than schizophrenia (e.g., nightmares, nocturnal fears, restless leg syndrome)

or included in another clinical study or trial that can interfere with the normal control of the disease.